Ciklum is looking for a Lead Full-Stack Engineer to join our team full-time in Ukraine.
We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.
About the role:
As a Lead Full-Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Together, we will work on the project developing an AI-powered no-code cybersecurity platform that enables security teams to build, customize, and deploy security tools in minutes using AI, templates, and prompts, reducing reliance on complex traditional solutions.
Responsibilities: * Lead the design and development of a web-based cybersecurity platform, ensuring security, scalability, and high performance * Own delivery end-to-end from technical concept and architecture to production readiness and long-term maintainability * Provide technical leadership, set engineering standards, guide architectural decisions, and lead by example * Collaborate cross-functionally with Product Managers, UX and UI Designers, and Engineers to translate product ideas into robust technical solutions * Mentor Engineers, conduct high-quality code reviews, and foster a culture of ownership and engineering excellence * Design and implement frontend and backend systems using React, TypeScript, Node.js, and Python with a strong focus on usability and performance * Architect secure APIs and backend services, embedding security best practices at every layer * Drive quality and reliability through testing strategies, performance optimization, and proactive issue resolution * Contribute to team growth by supporting technical interviews and maintaining a high hiring bar
Requirements: * 8+ years of experience in full-stack development delivering secure, scalable, user-focused applications * Proven technical leadership experience as a Team Lead or Senior Engineer owning architecture and mentoring others * Strong startup mindset with proactivity, independence, and end-to-end ownership in a fast-moving environment * Hands-on experience using AI-assisted development tools such as GitHub Copilot, Cursor, or similar on a daily basis * Expert-level frontend expertise in React, delivering responsive and seamless user interfaces * Strong backend expertise in TypeScript, Node.js, and Python * Experience with PostgreSQL, MongoDB, SQL and NoSQL databases, and ORM frameworks * Experience with AWS preferred, Azure or GCP, as well as Docker and Kubernetes * Excellent communication skills in English, working effectively with international stakeholders * Ability to mentor and lead by example in technical best practices
What`s in it for you? * Strong community: Work alongside top professionals in a friendly, open-door environment * Growth focus: Take on large-scale projects with a global impact and expand your expertise * Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications * Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies * Flexibility: Enjoy radical flexibility — work remotely or from an office, your choice * Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations
About us:
At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
As one of Ukraine’s largest IT companies and a top employer recognized by Forbes, we’ve spent over 20 years delivering meaningful tech solutions. We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future.
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Explore, empower, engineer with Ciklum!
Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.
